Hercule Poirot: I have lived long enough to know what I like. What I dislike, I cannot abide.
Hercule Poirot: My name is Hercule Poirot, and I am probably the greatest detective in the world.
Hercule Poirot: I detect criminals. I do not protect them.
Hercule Poirot: I can only see a world as it should be. It makes an imperfection stick out like the nose on your face.
Hercule Poirot: There was right. There was wrong. Then there was you. I cannot judge you for this.
Hercule Poirot: I see evil on this train.
Miss Mary Debenham: I'm sleeping here where everyone can see me. And I can see everyone.